Washington — A former top National Institutes of Health leader who says she was removed from her position after a dispute with Trump administration officials detailed the internal clashes at the elite medical research agency Monday, and warned of an agenda that poses "a substantial and specific danger to public health and safety."

Dr. Jeanne Marrazzo described in an exclusive interview with CBS News being silenced when she and her colleagues tried to oppose efforts pushed by Health Secretary Robert F. Kennedy Jr. to cancel vaccine research and clinical trials.

"Ultimately, we were disregarded," said Marrazzo, who previously led the NIH's National Institute of Allergy and Infectious Diseases, or NIAID. "We became inconvenient."

Marrazzo, who filed a whistleblower complaint with the U.

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